The 49ers opened as modest three-point favorites over the Lions on Sunday at Levi’s Stadium. Three points is typically what the home team gets for being at home. Detroit’s putrid Monday night performance pushed the line 2.5 points toward the 49ers. They’re now favored by 5.5 points.

It’s not a surprise to see the line shift this way in the 49ers’ favor. They played the Vikings relatively close and may have come out with a win had a couple plays gone differently. San Francisco’s 0-1 record feels much better than Detroit’s.

The Lions faced the Jets and rookie cornerback Sam Darnold. Darnold threw a pick-six on his first throw of the game. Detroit was outscored 48-10 the rest of the way including 31-7 in the third quarter alone.

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Had the Lions simply lost the line probably would’ve stayed about the same, with maybe a half point or a point shading toward them due to 49ers injuries. Detroit got obliterated in every facet though. They were dominated on offense, defense and special teams by a Jets squad that finished with five wins last season. They may have improved, but Detroit should’ve at least been competitive.

This could be a resounding 49ers victory if San Francisco cleans up the turnover issues they had against the Vikings. Detroit can be better in that area as well, but they didn’t show much life anywhere else that suggested they’ree primed for a bounce back game. That could certainly happen, but so far the oddsmakers aren’t counting on it.